Specifications

Alto 818 Installation and Operation
1-12 P/N 66109074001 Rev. D
1.3.9 DURESS CODE
A feature of keypad use is the ability to enter a duress code. The duress code is the user's PIN
with the digits shifted once to the left, e. g., 12345 is entered as 23451. Through system hardware
and software configuration, the Alto 818 can display a duress event on the operator terminal, close
a contact to actuate an audible alarm or initiate other actions.